Add a script that will check mongo for AMIs.
Add a script to stage releases for repos.
Raise an exception if submission fails.
Check for existing AMIs.

If we already have an AMI for a particular configuration, use that instead of
requesting a new one.
Add logic to be able to monitor RCs from jenkins.
Add comments and documentation to monitor_repo.py
Pass release id to abby.
Change spelling from 'abby' to 'abbey'.